Thin-film lithium battery and process

Details Thin-film lithium battery and process Thin-film lithium battery and process

1997-05-15

1999-04-20

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Flat-type unit cell and specific unit cell components

429 82, 429234, 429245, 429303, 296232, 296234, H01M 204, H01M 622, H01M 1040

Patent

active

058957316

ABSTRACT:
A lithium battery and process of making same involves employing alternate layers of a lithium anode and an aluminum foil or NiAl expanded metal supported cathode assembly with a gel electrolyte contacting the alternate layers. The electrolyte includes a quantity of N-methyl-2-pyrrollidone and lithium contained within a polyimide matrix and the entire assembly is contained within a sealed polyimide casing. Separate electrical contacts are provided for each of the lithium anode assembly and the aluminum foil or NiAl supported cathode assembly. An out-gassing vent tube extends from the sealed polyimide casing and is sealed a predetermined time after battery construction.

REFERENCES:
patent: 3985574 (1976-10-01), Feuillade et al.
patent: 5004655 (1991-04-01), Symanski
patent: 5578399 (1996-11-01), Olsen
patent: 5652072 (1997-07-01), Lamanna et al.
patent: 5750289 (1998-05-01), Kejha

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